TUSA HYFLEX SYSTEM: The TUSA HyFlex system offers a variety of blades, foot pockets and fin straps to choose from. INNOVATIVE BLADE DESIGN: Featuring a wide, short, tech-style blade that delivers a burst of propulsion with every kick. ENHANCED WATER FLOW: Equipped with three strategically placed vent holes to facilitate water flow, minimizing resistance and maximizing propulsion. AQUADYNAMIC ACCELERATION: Includes one large and two smaller vent holes to improve water flow, enhancing aquadynamic acceleration. VORTEX GENERATOR TECHNOLOGY: Reduces drag and resistance, ensuring a smoother and more efficient swim. F0107 TUSA Hyflex SWITCH Pro M 23.5 8.0 597 204 4.2 1,895 7-10 8.5-12 40-44 26-28 L-XL 24.3 8.0 618 204 4.3 1,965 10-14 12-15 44-50 28-32 SF0104 TUSA Hyflex SWITCH XS 21.9 8.0 555 204 3.9 1,760 3-5 4.5-6.5 34-38 22-24 S 22.7 8.0 576 204 4.0 1,815 5-7 6.5-8.5 38-40 24-26 M 23.5 8.0 597 204 4.2 1,895 7-10 8.5-12 40-44 26-28 L-XL 24.3 8.0 618 204 4.3 1,965 10-14 12-15 44-50 28-32 SF0101 TUSA HyFlex Vesna XS 21.7 8.5 550 215 3.3 1,480 3-5 4.5-6.5 34-38 22-24 S 22.5 8.5 571 215 3.4 1,535 5-7 6.5-8.5 38-40 24-26 M 24.3 8.9 617 225 3.7 1,695 7-10 8.5-12 40-44 26-28 L-XL 25.1 8.9 638 225 3.9 1,765 10-14 12-15 44-50 28-32